DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC 1ST DEO Award a ₱4.8M contract to CS GONZALES CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

c128f083500a70f41419a5153bd1da1b4a44b5c435b8b59f74b43b76a1ab8a99

Status:

Included and unchanged

Block:

#3,979 2,034 blocks after it

Position in block:

Transaction 20 of 25

Award day:

Dec 28, 2019 (6 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC 1ST DEO

To:

CS GONZALES CONSTRUCTION AND SUPPLY

Value:

₱4,825,618.72

Project:

19CJ0206

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC 1ST DEO

Accountable officer:

Not stated in the source. PhilGEPS does not publish who certified the award.

Certification:

Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.

Demo signature:

Block #3,979 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
DPWH lists the funding source as "Outside Infra - GAA 2019 DA FMR", i.e. the FY2019 GAA. The exact UACS line is not given.
Partly
Open
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC 1ST DEO awarded it to CS GONZALES CONSTRUCTION AND SUPPLY on 2019-12-28.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 19CJ0206: Completed, 100% physical progress.
Found
Open
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
DPWH marks the contract "Completed" (end 2020-03-17). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored c128f08350…ab8a99now …
2. Block Merkle root changed
stored af6f3cb402…d45b45now …
3. Block #3979 hash changed
stored 0925ee41c7…44902fnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 24 records. Each step hashes the current value together with the sibling shown.

leaf c128f083500a70f41419a5153bd1da1b4a44b5c435b8b59f74b43b76a1ab8a99
01 R cbbeac9112eb56e8ce734a185891635fc89b4bb6975846649e29401d851c2c66
02 R 8ee9b4b888c47e237ebefd9306311da8195a09c8e84c9ed49c73547ac6cc6037
03 L 654cf37349f0a8afc291cf1d14201252ef2d1fe569382f1c683fc7943ef64dcb
04 R c53347010411ef9aed033436eae157951786aa31593f7fbc6d195653934e8ad9
05 L 7f0dda76439d358c56fdf9c231460c0720ec1a33f128b484e6160d4679d59435
root af6f3cb402e161b2c43b2e10e9ac1cae1c15389be38c4b038c77ea085fd45b45